Not everyone is able or suitable to do jaw angle surgery, ladies and gentlemen, please ask the professional plastic surgeon to comprehensively consider the specifics of your facial features after the design of your suitable form of jaw angle surgery. But some people, even if the face conditions allow, but the physical conditions do not allow, these people or put away your “run to the small face of the footsteps it”! 1, facial paralysis patients are not suitable for jaw angle plastic surgery; so as not to lead to more serious conditions, facial asymmetry, slow recovery, inflammation and other problems. 2, keloid; scarring in the oral cavity will also be difficult to heal, resulting in hyperplasia affecting normal life. 3, serious internal disease patients, heart disease, hepatitis, nephritis, pneumonia and other diseases, or some oral infection sources such as tooth decay, periodontitis, oral ulcers and other people are not suitable for jaw angle plastic surgery; these diseases will induce surgical risk need not I say more. 4, female friends should not do jaw angle plastic surgery during menstruation; avoid those days and then come back to book the surgery, it is not a matter of haste, safety is the most important. 5, People with nerve damage are also not suitable for jaw angle surgery. Mandibular angioplasty may damage the mandibular marginal branch of the facial nerve, resulting in paralysis, deformation and asymmetry of the middle and upper part of the cervical latissimus dorsi muscle, descending orofacialis and descending labialis muscles. 6, mental anomalies, aesthetic ideas marvelous, surgical requirements are not and practical; too harsh on their own requirements are not suitable for jaw angle surgery, because bone moving surgery can not be regenerated after surgery to restore the original, so it is recommended not to do. 7.Children and minors. The bones of minors are not yet shaped, and it is not too late to do the surgery after shaping, when the aesthetic point of view is mature, and the body is more able to bear the risk of surgery, which is very important.